Reinvestigation of a methanol extract of afforded a new 3- hydroxyisoflavanone, 3,5,7,2',4'-pentahydroxyisoflavanone (), two new monoaryl glucosides, 3,4-dimethoxyphenyl 1--(6'--acetyl)--D-glucopyranoside ( and 3,4,5-trimethoxyphenyl 1--(6'--acetyl)--D-glucopyranoside (), in addition to three known compounds, 3'--methylorobol (), robusflavone B (), and apigenin (). The structural elucidation of these compounds was achieved by analyses of their spectroscopic data (HR-ESI-MS, 1 D- and 2 D-NMR) and acidic hydrolysis. The extracts and compounds - exhibited weak or no cytotoxic activity against KB, HepG2, Lu and MCF7 cell lines.
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| http://dx.doi.org/10.1080/14786419.2020.1860973 | DOI Listing |
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